Categories: Ransom

Ransom:Win32/Cryproto.B (file analysis)

The Ransom:Win32/Cryproto.B is considered dangerous by lots of security experts. When this infection is active, you may notice unwanted processes in Task Manager list. In this case, it is adviced to scan your computer with GridinSoft Anti-Malware.

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What Ransom:Win32/Cryproto.B virus can do?

  • Executable code extraction
  • Creates RWX memory
  • The binary likely contains encrypted or compressed data.

How to determine Ransom:Win32/Cryproto.B?


File Info:

crc32: A1F07240md5: 7e73f3917b7e5c4b47e84f6084ef1e68name: 7E73F3917B7E5C4B47E84F6084EF1E68.mlwsha1: 408fd93dcaa2de74fc222e8b0c60a5c2aaf737b8sha256: 8e75343a0b04581eaaf50624a88de2cb5e10173d4c41519e1e266fefc9042fe7sha512: 432032846046b592cadf417e45150e75d31aeabfc6e3e05cd47539ff0965257518a69a0f8a4e1faae92941fc1b252637144c525e10f6bb275f4abcc92f435356ssdeep: 3072:Qg4Rs8eMZQtnNB7yg2uUmIDJ0oTRmnfl94:Qg4RsXNtnNcnu+dE94type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Ransom:Win32/Cryproto.B also known as:

Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 004f959f1 )
DrWeb Trojan.Encoder.5342
Cynet Malicious (score: 100)
ALYac Trojan.Ransom.RotorCrypt
Cylance Unsafe
Zillya Trojan.Rotor.Win32.46
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/Cryproto.0d624931
K7GW Trojan ( 004f959f1 )
Cybereason malicious.17b7e5
Cyren W32/Kryptik.DPP.gen!Eldorado
Symantec Ransom.Troldesh
ESET-NOD32 Win32/Filecoder.RotoCrypt.C
APEX Malicious
Avast Win32:Malware-gen
ClamAV Win.Trojan.Tofsee-6345150-0
Kaspersky HEUR:Trojan.Win32.Refinka.vho
BitDefender Trojan.Ransom.CerberKD.6112200
MicroWorld-eScan Trojan.Ransom.CerberKD.6112200
Tencent Win32.Trojan.Rotor.Akpf
Ad-Aware Trojan.Ransom.CerberKD.6112200
Sophos Mal/Generic-S + Mal/Elenoocka-E
Comodo Malware@#m6gyz99l2e4g
F-Secure Heuristic.HEUR/AGEN.1120889
BitDefenderTheta Gen:NN.ZexaF.34608.hmW@aKgGO3oi
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_CERBER.SMALY0
McAfee-GW-Edition BehavesLike.Win32.Ransomware.cc
FireEye Generic.mg.7e73f3917b7e5c4b
Emsisoft Trojan.Ransom.CerberKD.6112200 (B)
SentinelOne Static AI – Suspicious PE
Webroot W32.Trojan.Gen
Avira HEUR/AGEN.1120889
eGambit Unsafe.AI_Score_93%
Microsoft Ransom:Win32/Cryproto.B
Arcabit Trojan.Ransom.CerberKD.D5D43C8
AegisLab Trojan.Win32.Generic.4!c
ZoneAlarm HEUR:Trojan.Win32.Refinka.vho
GData Trojan.Ransom.CerberKD.6112200
Acronis suspicious
McAfee Ransomware-GEO!7E73F3917B7E
MAX malware (ai score=99)
VBA32 Trojan-Ransom.Rotor
Malwarebytes MachineLearning/Anomalous.100%
Panda Trj/GdSda.A
TrendMicro-HouseCall Ransom_CERBER.SMALY0
Rising Ransom.Cryptoff!8.E62C (CLOUD)
Yandex Trojan.GenAsa!6XO6mwzKwnM
Ikarus Backdoor.Win32.Vawtrak
Fortinet W32/GenKryptik.BHMX!tr
AVG Win32:Malware-gen
Paloalto generic.ml
Qihoo-360 Win32/Ransom.Generic.HgIASOgA

How to remove Ransom:Win32/Cryproto.B?

  • Download and install GridinSoft Anti-Malware.
  • Open GridinSoft Anti-Malware and perform a “Standard scan“.
  • Move to quarantine” all items.
  • Open “Tools” tab – Press “Reset Browser Settings“.
  • Select proper browser and options – Click “Reset”.
  • Restart your computer.
Paul Valéry

I'm a cyber security analyst and data science expert with 5+ years of experience with security software contractors.

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